Brown / sea trout · Salmo trutta

Brown / sea trout in the St. Lawrence Stream

Largest measured brown / sea trout: 25.1 cm

The largest brown / sea trout measured in Environment Agency surveys of the St. Lawrence Stream was 25.1 cm, recorded at St. Lawrence Farm on 21 July 2006.

Across 385 measured brown / sea trout, the median measured length was 10.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the St. Lawrence Stream.

See brown / sea trout records across England →

Most recent observation22 July 2019Halgavar Farm · 116 fish
Largest measured brown / sea trout
25.1 cm
Median length
10.3 cm
Fish measured
385
Survey locations
5

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
25.1 cm21 Jul 2006St. Lawrence Farm101691
23.9 cm5 Jun 2019St. Lawrence154691
22.7 cm5 Jun 2019St. Lawrence154691
21.7 cm14 Jun 2017St. Lawrence150715
21.6 cm21 Jul 2006St. Lawrence Farm101691
21.5 cm14 Jun 2017St. Lawrence150715
21.5 cm21 Jul 2006St. Lawrence Farm101691
21.2 cm5 Jun 2019St. Lawrence154691
21.1 cm21 Jul 2006St. Lawrence Farm101691
21.1 cm3 Jul 2006St. Lawrence100050

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding brown / sea trout
Halgavar Farm21 Jul 200622 Jul 20192
Sunny Corner5 Jun 20195 Jun 20191
St. Lawrence30 Jul 19805 Jun 201910
St. Lawrence Farm21 Jul 200621 Jul 20061
Alice5 Jul 19857 Jul 20005

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1980–2019

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 385 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
6.1 cm
Median
10.3 cm
Upper quarter
14 cm
Largest
25.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the St. Lawrence Stream

Compare other species with enough survey and measurement data for a detailed page.

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →